From: "H. Peter Anvin" <hpa@zytor.com>
To: Nadav Amit <nadav.amit@gmail.com>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: fix mov immediate emulation for 64-bit operands
Date: Sat, 07 Jan 2012 12:25:32 -0800 [thread overview]
Message-ID: <4F08AA3C.9090306@zytor.com> (raw)
In-Reply-To: <E0EE2EE9-96C1-4354-BDCE-19E3AF2C0F30@gmail.com>
On 01/07/2012 12:21 PM, Nadav Amit wrote:
> MOV immediate instruction (opcodes 0xB8-0xBF) may take 64-bit operand.
> The previous emulation implementation assumes the operand is no longer than 32.
>
> Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
There are exactly two such instructions: MOV immediate (B8-BF) and MOV
moff (A0-A3); you may want to check the latter too.
-hpa
next prev parent reply other threads:[~2012-01-07 20:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1325967346-12539-1-git-send-email-namit@cs.technion.ac.il>
2012-01-07 20:21 ` [PATCH] KVM: fix mov immediate emulation for 64-bit operands Nadav Amit
2012-01-07 20:25 ` H. Peter Anvin [this message]
2012-01-08 0:30 ` Nadav Amit
2012-01-08 1:26 ` Takuya Yoshikawa
2012-01-08 8:47 ` Nadav Amit
2012-01-08 14:05 ` Avi Kivity
2012-01-08 14:08 ` Avi Kivity
2012-01-08 14:44 ` Nadav Amit
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